CheckComboBox - allOption & chooseOption & chooseOptionLabel | WebSquare5 - Quick Guide
00:00 Introduction
00:07 Related Properties
00:12 allOption
00:52 chooseOption & chooseOptionLabel
01:33 End of DEMO
Display “Select all.” and a selection guide message.
1. Add an option to enable end users to select all items at once. (allOption)
2. Display a guide message. (chooseOption & chooseOptionLabel)
For more info, search "chooseOption" at https://wtech.inswave.kr.